4857666 has 24 divisors (see below), whose sum is σ = 10680432. Its totient is φ = 1471800.

The previous prime is 4857659. The next prime is 4857679. The reversal of 4857666 is 6667584.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2620 + ... + 4071.

It is an arithmetic number, because the mean of its divisors is an integer number (445018).

Almost surely, 2^4857666 is an apocalyptic number.

4857666 is an abundant number, since it is smaller than the sum of its proper divisors (5822766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4857666 is a wasteful number, since it uses less digits than its factorization.

4857666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6718 (or 6707 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 4857666 is about 2204.0113429835. The cubic root of 4857666 is about 169.3593650778.

The spelling of 4857666 in words is "four million, eight hundred fifty-seven thousand, six hundred sixty-six".